Diddams, S. A., Vahala, K. & Udem, T. Optical frequency combs: coherently uniting the electromagnetic spectrum. Science 369, eaay3676 (2020).<\/p>\n
Article<\/a>\u00a0 Kippenberg, T. J., Gaeta, A. L., Lipson, M. & Gorodetsky, M. L. Dissipative Kerr solitons in optical microresonators. Science 361, eaan8083 (2018).<\/p>\n Article<\/a>\u00a0 Li, Q. et al. Stably accessing octave-spanning microresonator frequency combs in the soliton regime. Optica 4, 193\u2013203 (2017).<\/p>\n Article<\/a>\u00a0 Drake, T. E., Stone, J. R., Briles, T. C. & Papp, S. B. Thermal decoherence and laser cooling of Kerr microresonator solitons. Nat. Photon. 14, 480\u2013485 (2020).<\/p>\n Article<\/a>\u00a0 Englebert, N. et al. Parametrically driven Kerr cavity solitons. Nat. Photon. 15, 857\u2013861 (2021).<\/p>\n Article<\/a>\u00a0 Moille, G. et al. Parametrically driven pure-Kerr temporal solitons in a chip-integrated microcavity. Nat. Photon. 18, 617\u2013624 (2024).<\/p>\n Article<\/a>\u00a0 Lombardi, M. A. Microsecond accuracy at multiple sites: is it possible without GPS? IEEE Instrum. Meas. Mag. 15, 14\u201321 (2012).<\/p>\n Article<\/a>\u00a0 Finkelstein, R. et al. Universal quantum operations and ancilla-based read-out for tweezer clocks. Nature 634, 321\u2013327 (2024).<\/p>\n Article<\/a>\u00a0 Ye, J. & Zoller, P. Essay: quantum sensing with atomic, molecular, and optical platforms for fundamental physics. Phys. Rev. Lett. 132, 190001 (2024).<\/p>\n Article<\/a>\u00a0 Derevianko, A. et al. Fundamental physics with a state-of-the-art optical clock in space. Quantum Sci. Technol. 7, 044002 (2022).<\/p>\n Article<\/a>\u00a0 Dimarcq, N. et al. Roadmap towards the redefinition of the second. Metrologia 61, 012001 (2024).<\/p>\n Article<\/a>\u00a0 Metcalf, A. J. et al. Stellar spectroscopy in the near-infrared with a laser frequency comb. Optica 6, 233\u2013239 (2019).<\/p>\n Article<\/a>\u00a0 Holzwarth, R. et al. Optical frequency synthesizer for precision spectroscopy. Phys. Rev. Lett. 85, 2264\u20132267 (2000).<\/p>\n Article<\/a>\u00a0 Fortier, T. M. et al. Generation of ultrastable microwaves via optical frequency division. Nat. Photon. 5, 425\u2013429 (2011).<\/p>\n Article<\/a>\u00a0 Bruch, A. W. et al. Pockels soliton microcomb. Nat. Photon. 15, 21\u201327 (2021).<\/p>\n Article<\/a>\u00a0 Wu, T.-H. et al. Visible-to-ultraviolet frequency comb generation in lithium niobate nanophotonic waveguides. Nat. Photon. 18, 218\u2013223 (2024).<\/p>\n Article<\/a>\u00a0 Del\u2019Haye, P. et al. Phase-coherent microwave-to-optical link with a self-referenced microcomb. Nat. Photon. 10, 516\u2013520 (2016).<\/p>\n Article<\/a>\u00a0 Hickstein, D. D. et al. Ultrabroadband supercontinuum generation and frequency-comb stabilization using on-chip waveguides with both cubic and quadratic nonlinearities. Phys. Rev. Appl. 8, 014025 (2017).<\/p>\n Article<\/a>\u00a0 Telle, H. R. et al. Carrier-envelope offset phase control: a novel concept for absolute optical frequency measurement and ultrashort pulse generation. Appl. Phys. B 69, 327\u2013332 (1999).<\/p>\n Article<\/a>\u00a0 Jones, D. J. et al. Carrier-envelope phase control of femtosecond mode-locked lasers and direct optical frequency synthesis. Science 288, 635\u2013639 (2000).<\/p>\n Article<\/a>\u00a0 Liu, J. et al. High-yield, wafer-scale fabrication of ultralow-loss, dispersion-engineered silicon nitride photonic circuits. Nat. Commun. 12, 2236 (2021).<\/p>\n Article<\/a>\u00a0 Ou, S.-C., Antohe, A. O., Carpenter, L. G., Moille, G. & Srinivasan, K. 300 mm wafer-scale SiN platform for broadband soliton microcombs compatible with alkali atomic references. Opt. Lett. 50, 5578\u20135581 (2025).<\/p>\n Article<\/a>\u00a0 Stern, B., Ji, X., Okawachi, Y., Gaeta, A. L. & Lipson, M. Battery-operated integrated frequency comb generator. Nature 562, 401\u2013405 (2018).<\/p>\n Article<\/a>\u00a0 Sun, Y. et al. Applications of optical microcombs. Adv. Opt. Photon. 15, 86\u2013175 (2023).<\/p>\n Article<\/a>\u00a0 Lucas, E., Guo, H., Jost, J. D., Karpov, M. & Kippenberg, T. J. Detuning-dependent properties and dispersion-induced instabilities of temporal dissipative Kerr solitons in optical microresonators. Phys. Rev. A 95, 043822 (2017).<\/p>\n Article<\/a>\u00a0 Brasch, V., Lucas, E., Jost, J. D., Geiselmann, M. & Kippenberg, T. J. Self-referenced photonic chip soliton Kerr frequency comb. Light Sci. Appl. 6, e16202 (2017).<\/p>\n Article<\/a>\u00a0 Spencer, D. T. et al. An optical-frequency synthesizer using integrated photonics. Nature 557, 81\u201385 (2018).<\/p>\n Article<\/a>\u00a0 Newman, Z. L. et al. Architecture for the photonic integration of an optical atomic clock. Optica 6, 680\u2013685 (2019).<\/p>\n Article<\/a>\u00a0 Wu, K. et al. Vernier microcombs for high-frequency carrier envelope offset and repetition rate detection. Optica 10, 626\u2013633 (2023).<\/p>\n Article<\/a>\u00a0 Moille, G., Shandilya, P., Stone, J., Menyuk, C. & Srinivasan, K. All-optical noise quenching of an integrated frequency comb. Optica 12, 1020\u20131030 (2025).<\/p>\n Article<\/a>\u00a0 Wu, K. et al. Vernier microcombs for integrated optical atomic clocks. Nat. Photon. 19, 400\u2013406 (2025).<\/p>\n Article<\/a>\u00a0 Menyuk, C. R., Shandilya, P., Courtright, L., Moille, G. & Srinivasan, K. Multi-color solitons and frequency combs in microresonators. Opt. Express 33, 21824\u201321835 (2025).<\/p>\n Article<\/a>\u00a0 Moille, G. et al. Kerr-induced synchronization of a cavity soliton to an optical reference. Nature 624, 267\u2013274 (2023).<\/p>\n Article<\/a>\u00a0 Papp, S. B. et al. Microresonator frequency comb optical clock. Optica 1, 10\u201314 (2014).<\/p>\n Article<\/a>\u00a0 Kudelin, I. et al. Photonic chip-based low-noise microwave oscillator. Nature 627, 534\u2013539 (2024).<\/p>\n Article<\/a>\u00a0 Diakonov, A., Khrizman, K., & Stern, L., Hybrid-locked Kerr microcombs for flexible on-chip optical clock division. Preprint at https:\/\/doi.org\/10.48550\/arXiv.2508.07258<\/a> (2025).<\/p>\n Lucas, E. et al. Ultralow-noise photonic microwave synthesis using a soliton microcomb-based transfer oscillator. Nat. Commun. 11, 374 (2020).<\/p>\n Article<\/a>\u00a0 Liu, K. et al. 36 Hz integral linewidth laser based on a photonic integrated 4.0 m coil resonator. Optica 9, 770\u2013775 (2022).<\/p>\n Article<\/a>\u00a0 Martin, K. W. et al. Compact optical atomic clock based on a two-photon transition in rubidium. Phys. Rev. Appl. 9, 014019 (2018).<\/p>\n Article<\/a>\u00a0 Sun, S. et al. Integrated optical frequency division for microwave and mmWave generation. Nature 627, 540\u2013545 (2024).<\/p>\n Article<\/a>\u00a0 Lucas, E., Yu, S.-P., Briles, T. C., Carlson, D. R. & Papp, S. B. Tailoring microcombs with inverse-designed, meta-dispersion microresonators. Nat. Photon. 17, 943\u2013950 (2023).<\/p>\n Article<\/a>\u00a0 Beard, R., Martin, K. W., Elgin, J. D., Kasch, B. L. & Krzyzewski, S. P. Two-photon rubidium clock detecting 776 nm fluorescence. Opt. Express 32, 7417\u20137425 (2024).<\/p>\n Article<\/a>\u00a0 Ludlow, A. D., Boyd, M. M., Ye, J., Peik, E. & Schmidt, P. O. Optical atomic clocks. Rev. Mod. Phys. 87, 637\u2013701 (2015).<\/p>\n Article<\/a>\u00a0 Niu, R. et al. kHz-precision wavemeter based on reconfigurable microsoliton. Nat. Commun. 14, 169 (2023).<\/p>\n Article<\/a>\u00a0 Briles, T. C. et al. Interlocking Kerr-microresonator frequency combs for microwave to optical synthesis. Opt. Lett. 43, 2933\u20132936 (2018).<\/p>\n Article<\/a>\u00a0 Shen, B. et al. Integrated turnkey soliton microcombs. Nature 582, 365\u2013369 (2020).<\/p>\n Article<\/a>\u00a0 Helgason, \u00d3. B. et al. Surpassing the nonlinear conversion efficiency of soliton microcombs. Nat. Photon. 17, 992\u2013999 (2023).<\/p>\n Article<\/a>\u00a0 Ou, S.-C. et al. Passive interlocking of W-band repetition rate and octave-spanning microcombs toward giant on-chip optical frequency division. In Proc. Conference on Lasers and Electro-Optics (CLEO) STh1B.2 (Optica Publishing, 2026).<\/p>\n He, Y. et al. Chip-scale high-performance photonic microwave oscillator. Sci. Adv. 10, eado9570 (2024).<\/p>\n Article<\/a>\u00a0 Clementi, M., Zatti, L., Zhou, J., Liscidini, M. & Br\u00e8s, C.-S. Ultrabroadband milliwatt-level resonant frequency doubling on a chip. Nat. Commun. 16, 6164 (2025).<\/p>\n Article<\/a>\u00a0 Saffman, M., Walker, T. G. & M\u00f8lmer, K. Quantum information with Rydberg atoms. Rev. Mod. Phys. 82, 2313\u20132363 (2010).<\/p>\n Article<\/a>\u00a0 Pak, C., Schlitters, M. J. & Bergeson, S. D. Improved ionization potential of calcium using frequency-comb-based Rydberg spectroscopy. Phys. Rev. A 106, 062818 (2022).<\/p>\n Article<\/a>\u00a0 Nicholson, T. L. et al. Systematic evaluation of an atomic clock at 2 \u00d7 10\u221218 total uncertainty. Nat. Commun. 6, 6896 (2015).<\/p>\n Article<\/a>\u00a0 Zhang, C. et al. Frequency ratio of the 229mTh nuclear isomeric transition and the 87Sr atomic clock. Nature 633, 63\u201370 (2024).<\/p>\n Article<\/a>\u00a0 Sun, Y. et al. Advancing on-chip Kerr optical parametric oscillation towards coherent applications covering the green gap. Light Sci. Appl. 13, 201 (2024).<\/p>\n Article<\/a>\u00a0 Moille, G., Lu, X., Stone, J., Westly, D. & Srinivasan, K. Fourier synthesis dispersion engineering of photonic crystal microrings for broadband frequency combs. Commun. Phys. 6, 144 (2023).<\/p>\n Article<\/a>\u00a0 Yuan, Z. et al. Soliton pulse pairs at multiple colours in normal dispersion microresonators. Nat. Photon. 17, 977\u2013983 (2023).<\/p>\n Article<\/a>\u00a0 Prokoshin, A., Gehl, M., Madaras, S., Chow, W. W. & Wan, Y. Ultra-narrow-linewidth hybrid-integrated self-injection locked laser at 780 nm. Optica 11, 1024\u20131029 (2024).<\/p>\n Article<\/a>\u00a0 Ji, X. et al. Wafer-scale manufacturing of ultra-broadband, high-power erbium-doped integrated lasers. Nat. Commun. 17, 3722 (2026).<\/p>\n Article<\/a>\u00a0 Moille, G. et al. Broadband resonator-waveguide coupling for efficient extraction of octave-spanning microcombs. Opt. Lett. 44, 4737\u20134740 (2019).<\/p>\n Article<\/a>\u00a0 Zhou, H. et al. Soliton bursts and deterministic dissipative Kerr soliton generation in auxiliary-assisted microcavities. Light Sci. Appl. 8, 50 (2019).<\/p>\n Article<\/a>\u00a0 Zhang, S. et al. Sub-milliwatt-level microresonator solitons with extended access range using an auxiliary laser. Optica 6, 206\u2013212 (2019).<\/p>\n Article<\/a>\u00a0 Zang, J., Liu, H., Briles, T. C. & Papp, S. B. Foundry manufacturing of octave-spanning microcombs. Opt. Lett. 49, 5143\u20135146 (2024).<\/p>\n Article<\/a>\u00a0 Nez, F., Biraben, F., Felder, R. & Millerioux, Y. Optical frequency determination of the hyperfine components of the 5S12-5D32 two-photon transitions in rubidium. Opt. Commun. 102, 432\u2013438 (1993).<\/p>\n Article<\/a>\u00a0 Hilico, L. et al. Metrological features of the rubidium two-photon standards of the BNM-LPTF and Kastler Brossel Laboratories. Eur. Phys. J. Appl. Phys. 4, 219\u2013225 (1998).<\/p>\n Article<\/a>\u00a0 Bernard, J. E. et al. Absolute frequency measurement of a laser at 1556 nm locked to the 5S1\/2- 5D5\/2 two-photon transition in 87Rb. Opt. Commun. 173, 357\u2013364 (2000).<\/p>\n Article<\/a>\u00a0 Edwards, C. S., Barwood, G. P., Margolis, H. S., Gill, P. & Rowley, W. R. C. Development and absolute frequency measurement of a pair of 778\u2009nm two-photon rubidium standards. Metrologia 42, 464 (2005).<\/p>\n Article<\/a>\u00a0 Zhang, S. Y. et al. Direct frequency comb optical frequency standard based on two-photon transitions of thermal atoms. Sci. Rep. 5, 15114 (2015).<\/p>\n Article<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n MathSciNet<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n
\n ADS<\/a>\u00a0
\n CAS<\/a>\u00a0
\n PubMed<\/a>\u00a0
\n PubMed Central<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n","protected":false},"excerpt":{"rendered":"Diddams, S. A., Vahala, K. & Udem, T. Optical frequency combs: coherently uniting the electromagnetic spectrum. Science 369,…\n","protected":false},"author":2,"featured_media":866520,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[46315,1159,42238,1160,37979,199,79],"class_list":["post-866519","post","type-post","status-publish","format-standard","has-post-thumbnail","category-physics","tag-frequency-combs","tag-humanities-and-social-sciences","tag-integrated-optics","tag-multidisciplinary","tag-nanophotonics-and-plasmonics","tag-physics","tag-science"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/866519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/comments?post=866519"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/866519\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media\/866520"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media?parent=866519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/categories?post=866519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/tags?post=866519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}